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