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