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