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