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