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