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