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