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