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