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