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