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