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