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