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