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