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