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