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