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