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