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