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