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