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