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