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