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