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