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