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