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