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)(19,23,26,31)(20,21,29,30)(25,32,28,27)(1,2)(3,7)(4,6)(5,8)(9,11,13,15)(10,14,16,12)(17,19,22,26)(18,23,24,31)(20,28,29,25)(21,27,30,32)(1,3)(2,5)(4,8)(6,7)(11,15)(12,14)(17,20,21,24,22,29,30,18)(19,25,27,23,26,28,32,31)(2,6)(3,8)(9,12,13,14)(10,15,16,11)(17,19)(18,23)(20,28)(21,27)(22,26)(24,31)(25,29)(30,32)(2,6)(5,7)(10,16)(11,15)(19,26)(23,31)(25,28)(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.