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