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