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