One vertex per element, one color per generator, with an edge from x to x·s.
(9,10)(11,15)(12,14)(13,16)(17,18,24,30)(19,27,21,25)(20,29,23,26)(22,28,32,31)(1,2)(3,8)(4,5)(6,7)(9,10,12,14)(11,13,16,15)(17,19,24,21)(18,25,30,27)(20,31,23,28)(22,29,32,26)(2,7)(3,4)(9,10)(11,13)(12,14)(15,16)(17,20,24,23)(18,26,30,29)(19,31,21,28)(22,27,32,25)(1,3,6,4)(2,8,7,5)(9,11)(10,13)(12,16)(14,15)(17,21,24,19)(18,27,30,25)(20,31,23,28)(22,29,32,26)(1,4,6,3)(2,5,7,8)(17,22,24,32)(18,28,30,31)(19,26,21,29)(20,25,23,27)(1,5)(2,3)(4,7)(6,8)(17,23,24,20)(18,29,30,26)(19,31,21,28)(22,27,32,25)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.