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