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