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