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