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