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