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