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