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