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