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