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