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