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