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