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