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