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