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