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)(19,25)(20,21)(22,23)(24,28)(26,31)(27,32)(29,30)(33,34)(35,41)(36,40)(37,42)(38,39)(43,48)(44,45)(46,47)(4,11)(8,14)(10,15)(12,16)(18,23)(20,29)(24,25)(26,32)(33,35)(34,37)(36,44)(38,42)(39,41)(40,48)(43,46)(45,47) involution — undirected(2,7)(3,9)(8,14)(10,15)(34,39)(35,42)(40,47)(43,44) involution — undirected(1,3)(2,5)(4,10)(6,9)(7,13)(8,12)(11,15)(14,16)(17,19,22,28)(18,24,23,25)(20,26,29,32)(21,27,30,31)(33,35)(34,37)(36,43)(38,42)(39,41)(40,45)(44,46)(47,48)(1,4)(2,8)(3,10)(5,12)(6,11)(7,14)(9,15)(13,16)(17,20,22,29)(18,21,23,30)(19,26,28,32)(24,27,25,31)(33,36,38,46)(34,40,39,47)(35,43,42,44)(37,45,41,48)(1,5)(2,3)(4,12)(6,13)(7,9)(8,10)(11,16)(14,15)(17,21)(18,20)(19,27)(22,30)(23,29)(24,26)(25,32)(28,31)(33,37)(34,35)(36,45)(38,41)(39,42)(40,43)(44,47)(46,48) 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.