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