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