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