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