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