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