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