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