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