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