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