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