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