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