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