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