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