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