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