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