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