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