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