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