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