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