I believe these are the 158 diagrams, they're quite hard to work out now because a few trains have been, or will be replaced by EMUs.
Diagram 1
Lymington Branch
Diagram 2
5L18 0618 Salsibury Depot-Salisbury
1L18 0550 Yeovil Junction-London Waterloo (from Salisbury)
1L19 0850 London Waterloo-Salisbury
5L19 1026 Salisbury-Salisbury P1
5L85 1059 Salisbury P1-Salisbury Depot
5E91 1311 Salisbury Depot-Fratton Depot
5T92 1622 Fratton Depot-Portsmouth Harbour
2T92 1649 Portsmouth Harbour-Eastleigh
5T92 1738 Eastleigh-Eastleigh Down Sidings
5T75 0023 Eastleigh Down Sidings-Eastleigh
2T75 0030 Eastleigh-Portsmouth Harbour
5T75 0115 Portsmouth Harbour-Fratton Depot
Diagram 3
5E18 0439 Fratton Depot-Totton Yard
5R18 0605 Totton Yard-Totton
2R18 0614 Totton-Romsey
2S11 0707 Romsey-Salisbury
2R30 0815 Salisbury-Romsey
etc
2R99 2258 Romsey-Romsey
5S99 2350 Romsey-Salisbury Depot
Diagram 4
5S97 0516 Salisbury Depot-Salisbury
2S97 0535 Salisbury-Salisbury
2R26 0750 Salisbury-Romsey
etc
2S67 2107 Romsey-Salisbury
5S67 2246 Salisbury Depot-Salisbury
Diagram 5
5L18 0618 Salsibury Depot-Salisbury
1L18 0550 Yeovil Junction-London Waterloo (from Salisbury)
1L19 0850 London Waterloo-Salisbury
5L19 1026 Salisbury-Salisbury P1
5L85 1059 Salisbury P1-Salisbury Depot
5E91 1311 Salisbury Depot-Fratton Depot (to Salisbury P1)
5L52 1503 Salisbury P1-Salisbury
1L52 1325 Exeter St Davids-London Waterloo (from Salisbury)
1L53 1720 London Waterloo-Exeter St Davids (to Salisbury)
5L53 1904 Salisbury-Salisbury Depot
5L98 0108 Salisbury Depot-Salisbury
Diagram 6
1L12 0515 Salisbury-London Waterloo
1L13 0710 London Waterloo-Exeter St Davids (to Salisbury)
5L28 0850 Salisbury-Salisbury
1L28 0725 Exeter St Davids-London Waterloo (from Salisbury)
1L29 1120 London Waterloo-Exeter St Davids (to Salisbury)
5L29 1250 Salisbury-Salisbury Depot (ThFX)
5L29 1310 Salisbury-Salisbury Holding Siding (ThFO)
5L48 1359 Salisbury Holding Siding-Salisbury (ThFO)
1L48 1225 Exeter St Davids-London Waterloo (ThFO) (from Salisbury)
1L49 1620 London Waterloo-Exeter St Daids (ThFO) (to Salisbury)
5L49 1759 Salisbury-Salisbury Depot (ThFO)
5L93 2232 Salsibury Depot-Salisbury Holding Siding
Diagram 7
5R22 0616 Salisbury Holding Siding-Salisbury
2R22 0650 Salisbury-Romsey
etc
2S75 2307 Romsey-Salisbury
5S99 2350 Romsey-Salisbury Depot (from Salisbury)
Diagram 8
FGW Hire-In
There used to be another diagram working over electrified lines, but as far as I can tell that is now covered by a 450 in the morning and 159 in the evening. The 1746 Exeter St Davids-Axminster isn't booked a 158 but has quite often been a 158 since the electric diagram ended.