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