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