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