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