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