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