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