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