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