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