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