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