One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,7)(4,6)(5,8)(9,10,14,13)(11,16,12,15)(17,18,24,28)(19,22,27,23)(20,30,32,29)(21,26,25,31)(1,3,5,4)(2,6,8,7)(9,11,14,12)(10,15,13,16)(17,19,22,28,24,27,23,18)(20,30,31,25,32,29,26,21)(1,3,5,4)(2,7,8,6)(9,10,14,13)(11,16,12,15)(17,20,22,31,24,32,23,26)(18,25,19,29,28,21,27,30)(1,3,5,4)(2,7,8,6)(9,12,14,11)(10,15,13,16)(17,21)(18,26)(19,20)(22,30)(23,29)(24,25)(27,32)(28,31)(1,4,5,3)(2,6,8,7)(9,13,14,10)(11,16,12,15)(17,22,24,23)(18,27,28,19)(20,31,32,26)(21,29,25,30)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.