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