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