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