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