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