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