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