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