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