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