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