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