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