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