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