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