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