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