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