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