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