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