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