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