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