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