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