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