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