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