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