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