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