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