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