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