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