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