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