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)(19,23)(20,25)(21,24)(22,27)(26,30)(28,31)(29,32)(1,3,7,4)(2,8,12,16)(5,14,6,15)(9,10,13,11)(17,19,22,20)(18,23,27,25)(21,29,30,28)(24,31,26,32)(1,4,7,3)(2,9,12,13)(5,14,6,15)(8,10,16,11)(18,24)(21,30)(23,31)(25,32)(26,27)(28,29)(1,5,7,6)(2,10,12,11)(3,14,4,15)(8,13,16,9)(17,20,22,19)(18,25,27,23)(21,29,30,28)(24,32,26,31)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.