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