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