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