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