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