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