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