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