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