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