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