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