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