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