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