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