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