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