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