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