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