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