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