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