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