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