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