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