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