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