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