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