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