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