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