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