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