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