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