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