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