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