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