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