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