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