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