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