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