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