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