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