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