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