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