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