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