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