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