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