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