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