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