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