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