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