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)(17,18,22,25)(19,23,27,20)(21,24,30,32)(26,31,29,28)(34,36)(37,45)(40,43)(42,46)(1,3,5,11)(2,6,9,7)(4,13,14,10)(8,16,12,15)(17,19)(18,23)(20,25)(21,29)(22,27)(24,28)(26,30)(31,32)(33,34,39,36)(35,40,38,43)(37,41,45,44)(42,47,46,48)(1,2,5,9)(3,7,11,6)(4,8,14,12)(10,16,13,15)(17,18,22,25)(19,20,27,23)(21,24,30,32)(26,28,29,31)(33,35,39,38)(34,40,36,43)(37,42,45,46)(41,47,44,48)(1,2)(3,6)(4,8)(5,9)(7,11)(10,15)(12,14)(13,16)(17,20,22,23)(18,19,25,27)(21,28,30,31)(24,26,32,29)(33,36,39,34)(35,40,38,43)(37,41,45,44)(42,48,46,47)(1,3)(2,7)(4,10)(5,11)(6,9)(8,16)(12,15)(13,14)(17,19)(18,20)(21,26)(22,27)(23,25)(24,28)(29,30)(31,32)(33,37,39,45)(34,41,36,44)(35,42,38,46)(40,47,43,48)(1,4)(2,8)(3,10)(5,14)(6,15)(7,16)(9,12)(11,13)(17,21)(18,24)(19,26)(20,28)(22,30)(23,31)(25,32)(27,29)(33,38,39,35)(34,40,36,43)(37,46,45,42)(41,47,44,48)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.