One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,5,7,8)(9,10)(11,15)(12,13)(14,16)(17,18,22,24)(19,21,20,23)(25,26,30,31)(27,32,29,28)(10,13)(14,15)(17,19)(18,23)(20,22)(21,24)(26,31)(27,29) involution — undirected(11,16)(14,15)(18,24)(19,20)(25,27,30,29)(26,32,31,28)(1,2)(3,5)(4,6)(7,8)(9,11,12,16)(10,14,13,15)(17,20,22,19)(18,21,24,23)(25,28,30,32)(26,27,31,29)(1,3,4,7)(2,5,6,8)(9,10)(11,14)(12,13)(15,16)(17,21)(18,19)(20,24)(22,23)(25,29,30,27)(26,32,31,28)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.