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