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