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)(12,15)(13,18)(14,17)(16,21)(20,24)(22,23)(9,11)(10,16)(12,22)(13,21)(14,23)(15,20)(17,19)(18,24) involution — undirected(2,4)(9,12,15,10)(11,16,20,22)(13,18,14,17)(19,23,24,21)(9,13)(10,17)(12,18)(14,15)(19,24)(21,23) involution — undirected(5,7,8,6)(10,12)(11,20)(17,18)(21,23)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.