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