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