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