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