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