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