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