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