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