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