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