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