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