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