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