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