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