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