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