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