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