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