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