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