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