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