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)(11,13)(12,14)(15,16)(17,18,21,27,22,26,31,25)(19,28,30,32,20,23,29,24)(1,3,5,8)(2,6,4,7)(9,10)(11,15)(12,14)(13,16)(17,19,22,20)(18,23,26,28)(21,30,31,29)(24,25,32,27)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(17,19)(18,24)(20,22)(21,29)(23,27)(25,28)(26,32)(30,31)(1,2,5,4)(3,7,8,6)(11,16)(13,15)(17,20,22,19)(18,23,26,28)(21,29,31,30)(24,25,32,27)(1,4,5,2)(3,7,8,6)(10,14)(13,15)(17,21,22,31)(18,25,26,27)(19,29,20,30)(23,24,28,32)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.