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)(11,16)(12,13)(14,15)(17,18)(19,23)(20,22)(21,24)(25,26,29,31)(27,32,30,28)(1,3)(2,6)(4,7)(5,8)(9,11)(10,13)(12,14)(15,16)(17,18,20,22)(19,21,24,23)(25,27,29,30)(26,28,31,32)(3,8)(6,7)(10,15)(11,12)(19,24)(21,23)(25,28,29,32)(26,30,31,27)(1,3)(2,7)(4,6)(5,8)(9,12,14,11)(10,16,15,13)(17,19)(18,21)(20,24)(22,23)(25,28)(26,27)(29,32)(30,31)(1,4,5,2)(3,6,8,7)(9,13,14,16)(10,11,15,12)(17,18)(19,21)(20,22)(23,24)(25,27)(26,28)(29,30)(31,32)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.