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