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