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