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)(19,27)(20,29)(23,30)(24,32)(33,34)(35,41)(36,40)(37,38)(39,43)(42,47)(44,45)(46,48)(1,3,7,5)(2,8,10,9)(4,11,15,14)(6,12,13,16)(17,18,22,26)(19,23,27,30)(20,24,29,32)(21,25,28,31)(34,38)(39,41)(40,45)(46,47)(17,19)(18,23)(20,28)(21,29)(22,27)(24,31)(25,32)(26,30)(33,34)(35,39)(36,40)(37,38)(41,43)(42,46)(44,45)(47,48) involution — undirected(1,4,7,15)(2,6,10,13)(3,11,5,14)(8,12,9,16)(17,18)(19,23)(20,24)(21,25)(22,26)(27,30)(28,31)(29,32)(33,35,37,43)(34,39,38,41)(36,42,44,48)(40,46,45,47)(1,5,7,3)(2,9,10,8)(4,14,15,11)(6,16,13,12)(17,20,22,29)(18,24,26,32)(19,28,27,21)(23,31,30,25)(1,6)(2,4)(3,12)(5,16)(7,13)(8,11)(9,14)(10,15)(17,21,22,28)(18,25,26,31)(19,29,27,20)(23,32,30,24)(33,36,37,44)(34,40,38,45)(35,42,43,48)(39,46,41,47)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.