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