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