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