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