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