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