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