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