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