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)(17,18,22,21)(19,25,27,23)(20,24,28,30)(26,32,29,31)(33,34)(35,40)(36,44)(37,38)(39,43)(41,45)(42,46)(47,48)(1,3)(2,6)(4,11)(5,10)(7,9)(8,14)(12,15)(13,16)(17,19)(18,23)(20,26)(21,25)(22,27)(24,31)(28,29)(30,32)(34,38)(39,40)(41,44)(46,47) involution — undirected(3,10)(6,7)(11,16)(14,15)(20,28)(24,30)(26,29)(31,32)(33,35,37,43)(34,39,38,40)(36,42,45,48)(41,46,44,47)(1,3)(2,7)(4,11)(5,10)(6,9)(8,15)(12,14)(13,16)(17,20)(18,24)(19,26)(21,30)(22,28)(23,31)(25,32)(27,29)(33,35)(34,40)(36,42)(37,43)(38,39)(41,47)(44,46)(45,48) involution — undirected(1,2)(3,6)(4,12)(5,9)(7,10)(8,13)(11,15)(14,16)(17,19)(18,25)(20,29)(21,23)(22,27)(24,31)(26,28)(30,32)(33,34)(35,39)(36,44)(37,38)(40,43)(41,45)(42,47)(46,48) involution — undirected(1,4)(2,8)(3,11)(5,13)(6,14)(7,15)(9,12)(10,16)(17,21,22,18)(19,25,27,23)(20,30,28,24)(26,32,29,31)(33,36,37,45)(34,41,38,44)(35,42,43,48)(39,46,40,47)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.