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