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)(19,25)(20,28)(21,24)(22,27)(23,29)(26,30)(31,32)(33,34,40,45)(35,46,37,41)(36,47,48,42)(38,43,44,39)(1,2,5,6)(3,7,9,10)(4,8,12,13)(11,14,15,16)(17,18)(19,22)(20,23)(21,24)(25,27)(26,30)(28,29)(31,32)(33,35,40,37)(34,41,45,46)(36,44,48,38)(39,47,43,42)(2,6)(3,9)(4,12)(14,16)(17,18,21,24)(19,25,27,22)(20,28,29,23)(26,30,32,31)(33,36,40,48)(34,42,45,47)(35,44,37,38)(39,46,43,41)(1,3)(2,7)(4,11)(5,9)(6,10)(8,14)(12,15)(13,16)(17,19,21,27)(18,22,24,25)(20,26,29,32)(23,30,28,31)(33,37,40,35)(34,41,45,46)(36,44,48,38)(39,42,43,47)(1,2)(3,10)(4,8)(5,6)(7,9)(11,16)(12,13)(14,15)(17,18)(19,25)(20,23)(21,24)(22,27)(26,31)(28,29)(30,32)(33,38,40,44)(34,43,45,39)(35,36,37,48)(41,42,46,47)(1,4,5,12)(2,8,6,13)(3,11,9,15)(7,14,10,16)(17,20,21,29)(18,23,24,28)(19,26,27,32)(22,30,25,31)(33,39,40,43)(34,44,45,38)(35,47,37,42)(36,41,48,46)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.