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