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