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