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