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