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