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