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