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)(19,27,29,32)(20,26,21,25)(23,30,31,28)(9,10,12,13)(11,14,15,16)(17,19)(18,23)(20,28)(21,30)(22,29)(24,31)(25,27)(26,32)(1,3,5,4)(2,6,8,7)(10,13)(11,15)(18,24)(23,31)(25,26)(27,32)(1,3,5,4)(2,7,8,6)(9,11)(10,14)(12,15)(13,16)(18,24)(23,31)(25,26)(27,32)(1,4,5,3)(2,6,8,7)(10,13)(11,15)(17,20,22,21)(18,25,24,26)(19,28,29,30)(23,27,31,32)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.