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