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