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