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