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