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