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