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