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