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