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