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