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