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