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