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