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