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