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