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)(11,15)(17,18,21,24)(19,20,23,22)(2,5)(6,8)(9,10,13,14)(11,16,15,12)(19,23)(20,22)(26,29)(30,32)(3,7)(6,8)(9,11,13,15)(10,12,14,16)(17,19,21,23)(18,22,24,20)(25,26)(27,30)(28,29)(31,32)(1,3)(2,6)(4,7)(5,8)(9,11)(10,12)(13,15)(14,16)(17,20,21,22)(18,23,24,19)(25,27,28,31)(26,30,29,32)(1,2)(3,8)(4,5)(6,7)(9,12)(10,15)(11,14)(13,16)(17,18)(19,22)(20,23)(21,24) 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.