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