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