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