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