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