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