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