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