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