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