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