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