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