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