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