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