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)(17,18,23,27)(19,24,29,39)(20,32,35,36)(21,34,37,41)(22,33,25,26)(28,42,43,47)(30,45,46,48)(31,44,38,40)(1,2,4,6,5,8,11,13)(3,7,10,12,9,14,15,16)(17,19,23,29)(18,24,27,39)(20,28,35,43)(21,30,37,46)(22,31,25,38)(26,40,33,44)(32,42,36,47)(34,45,41,48)(1,3)(2,7)(4,10)(5,9)(6,12)(8,14)(11,15)(13,16)(17,20,32,27,22,34,21,33,23,35,36,18,25,41,37,26)(19,28,42,39,31,45,30,44,29,43,47,24,38,48,46,40)(3,9)(7,14)(10,15)(12,16)(19,29)(24,39)(28,43)(30,46)(31,38)(40,44)(42,47)(45,48) 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.