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