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