One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,10)(3,4)(5,11,6,12)(8,14)(9,16)(13,15)(17,18,22,26,23,27,21,36)(19,28,30,24,31,40,37,39)(20,25,34,42,35,44,33,43)(29,41,46,48,47,45,32,38)(1,3)(2,8)(4,10)(5,9)(6,13)(7,14)(11,15)(12,16)(17,19)(18,24)(20,32)(21,37)(22,30)(23,31)(25,41)(26,40)(27,39)(28,36)(29,34)(33,47)(35,46)(38,43)(42,48)(44,45) involution — undirected(1,4)(2,9)(3,12)(5,16)(6,15)(7,8)(10,13)(11,14)(17,20,23,35)(18,25,27,44)(19,29,31,47)(21,33,22,34)(24,38,39,48)(26,42,36,43)(28,45,40,41)(30,46,37,32)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.