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)(11,12)(13,16)(14,15)(17,18,22,20)(19,24,21,23)(25,26,29,31)(27,32,30,28)(2,6)(4,7)(9,11,13,15)(10,14,16,12)(17,19)(18,23)(20,24)(21,22)(25,27,29,30)(26,28,31,32)(9,11)(10,14)(12,16)(13,15)(17,18,22,20)(19,24,21,23)(25,28)(26,30)(27,31)(29,32)(1,3,5,8)(2,4,6,7)(9,11)(10,12)(13,15)(14,16)(17,20,22,18)(19,24,21,23)(25,28)(26,27)(29,32)(30,31)(1,4)(2,3)(5,7)(6,8)(9,12)(10,15)(11,16)(13,14)(17,21,22,19)(18,23,20,24)(25,26)(27,32)(28,30)(29,31)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.