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