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