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