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