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