Your are much better off purchasing a ready made cable.
Laplink cables can be had for $12 online.
But if you wish to attempt to make one yourself, here are the pinouts.
2 <-> 15
3 <-> 13
4 <-> 12
5 <-> 10
6 <-> 11
(meaning ex. Pin 2 from connector 1 goes to Pin 15 on connector 2)