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