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