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