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