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