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