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