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