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