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