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