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