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